| Output $/MTok | $2.50 | $15.00 | $1.00 |
|---|---|---|---|
| Input $/MTok | $1.25 | $3.00 | $1.00 |
| Cached input $/MTok | $0.2000 | — | — |
| Context window | 1,000,000 | 200,000 | 128,000 |
| Output cap | 1,000,000 | 8,000 | 8,000 |
| Modalities | in: text, image / out: text | in: text / out: text | in: text / out: text |
| Tool use | ✓ | — | — |
| Structured output | ✓ | ✓ | ✓ |
| Family | Grok 4 | Sonar | Sonar |
| Knowledge cutoff | — | — | — |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ |
| $/1M chars | — | $17.50 | $50.00 |
|---|---|---|---|
| Voice quality | neural | neural | neural |
| Voice cloning | ✓ included | ✓ included | ✓ included |
| Voice count | — | 217 | — |
| Languages | en | en, hi, es, mr, kn, ta, bn, gu, te, ml, pa, or | en, fr, de, es, pt, zh, ja, hi, ko |
| SSML support | — | — | — |
| TTFB | — | 200ms | 40ms |
| Output formats | — | pcm, mp3, wav, ulaw, alaw | — |
| Verified | 2026-07-19 | 2026-07-19 | 2026-07-19 |
| Source | provider page ↗ | provider page ↗ | provider page ↗ |